Access star-ch.jp. 【スターチャンネル】映画・海外ドラマの放送・配信サービス

name

value

score

weighting

FCP (First Contentful Paint)

Value6.2 s

3/100

10%

LCP (Largest Contentful Paint)

Value18.3 s

0/100

25%

SI (Speed Index)

Value16.1 s

0/100

10%

TBT (Total Blocking Time)

Value2,290 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value0.078

95/100

15%

TTI (Time to Interactive)

Value29.7 s

0/100

10%

star-ch.jp

395 ms

www.star-ch.jp

876 ms

modernizr.custom.71993.js

486 ms

all.css

1210 ms

smp.js

329 ms

Our browser made a total of 96 requests to load all elements on the main page. We found that 84% of them (81 requests) were addressed to the original Star-ch.jp, 3% (3 requests) were made to Cache.dga.jp and 2% (2 requests) were made to Search.star-ch.jp. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Star-ch.jp.

Content Size

3.4 MB

After Optimization

2.4 MB

In fact, the total size of Star-ch.jp main page is 3.4 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 40% of websites need less resources to load. Images take 2.4 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 59.8 kB

Original 72.4 kB
After minification 64.4 kB
After compression 12.6 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. This page needs HTML code to be minified as it can gain 8.0 kB, which is 11% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 59.8 kB or 83% of the original size.

Image Optimization

-6%

Potential reduce by 147.0 kB

Original 2.4 MB
After minification 2.2 MB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Star Ch images are well optimized though.

JavaScript Optimization

-77%

Potential reduce by 508.4 kB

Original 658.3 kB
After minification 434.0 kB
After compression 149.9 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 508.4 kB or 77% of the original size.

CSS Optimization

-89%

Potential reduce by 228.7 kB

Original 256.1 kB
After minification 190.6 kB
After compression 27.4 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Star-ch.jp needs all CSS files to be minified and compressed as it can save up to 228.7 kB or 89% of the original size.

Requests Now

After Optimization

The browser has sent 92 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Star Ch. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

High

[aria-*] attributes do not match their roles

High

[aria-hidden="true"] elements contain focusable descendents

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[aria-*] attributes do not have valid values

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

High

Links do not have a discernible name

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

Search Engine Optimization Advices

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

High

Document doesn't use legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

JA
Language Claimed

JA
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Star-ch.jp can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and it matches the claimed language. Our system also found out that Star-ch.jp main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

star-ch.jp

Open Graph description is not detected on the main page of Star Ch. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks:

Report Summary

Performance

Accessibility

Best Practices

SEO

【スターチャンネル】映画・海外ドラマの放送・配信サービス

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

star-ch.jp

www.star-ch.jp

modernizr.custom.71993.js

all.css

smp.js

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

star-ch.jp

www.star-ch.jp

modernizr.custom.71993.js

all.css

smp.js

display_ranking.js

keyword_rank.js

all.js

conversion.js

s_retargeting.js

convert.js

dc.js

spacer.gif

header-logo.png

btn_search.png

s-nav-mystarclub.png

s-nav-shop.png

nav-timetable.png

nav-arrow-right.png

nav-program.png

nav-arrow.png

nav-service.png

nav-beginner.png

sprite.png

ttl_pickup.png

160201_constantine_pickup.jpg

160122_girls_pickup.jpg

160201_batkid-begins_pickup.jpg

160202_msc_pickup.jpg

ttl_nowonair.png

ttl_star1.png

ph.jpg

ttl_star2.png

ph.jpg

ttl_star3.png

ph.jpg

ttl_nextprogram.png

ph.jpg

ph.jpg

ph.jpg

bg.png

ttl_information.png

ttl_search.png